42138008

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 87907680

約数和(自身を除く): 45769672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 431, 484, 808, 862, 968, 1111, 1724, 2222, 3448, 4444, 4741, 8888, 9482, 12221, 18964, 24442, 37928, 43531, 48884, 52151, 87062, 97768, 104302, 174124, 208604, 348248, 417208, 478841, 957682, 1915364, 3830728, 5267251, 10534502, 21069004, 42138008]

約数ペア:

[(1, 42138008), (2, 21069004), (4, 10534502), (8, 5267251), (11, 3830728), (22, 1915364), (44, 957682), (88, 478841), (101, 417208), (121, 348248), (202, 208604), (242, 174124), (404, 104302), (431, 97768), (484, 87062), (808, 52151), (862, 48884), (968, 43531), (1111, 37928), (1724, 24442), (2222, 18964), (3448, 12221), (4444, 9482), (4741, 8888)]